Forouzan, Behrouz A. Data communications and networking 4th ed. Forouzan, Behrouz A. - Singapore : Mc-Graw-Hill Education (Asia), c2007. - xxxiv, 1134 pages : illustration ; 23 cm. ISBN: 13: 978-007-125442-7. Subjects--Topical Terms: Dewey Class. No.: Circ. 004.62 F728d 2007